AT28HC64BF-12JU

Product Overview

Category

AT28HC64BF-12JU belongs to the category of non-volatile memory integrated circuits.

Use

This product is primarily used for storing and retrieving digital information in electronic devices.

Characteristics

• Non-volatile: The stored data is retained even when power is removed.
• High capacity: The AT28HC64BF-12JU has a storage capacity of 64 kilobits (8 kilobytes).
• Fast access time: It operates at a speed of 120 nanoseconds, allowing for quick data retrieval.
• Low power consumption: The device is designed to minimize power usage, making it suitable for battery-powered applications.

Package

The AT28HC64BF-12JU is available in a 32-pin PLCC (Plastic Leaded Chip Carrier) package.

Essence

The essence of this product lies in its ability to provide reliable and non-volatile storage for electronic devices.

Packaging/Quantity

The AT28HC64BF-12JU is typically packaged in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

• Memory Type: EEPROM (Electrically Erasable Programmable Read-Only Memory)
• Organization: 8K x 8 bits
• Supply Voltage: 2.7V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Data Retention: 10 years
• Endurance: 100,000 write cycles

Detailed Pin Configuration

The AT28HC64BF-12JU has a total of 32 pins. Here is the detailed pin configuration:

1. A15
2. A14
3. A12
4. A7
5. A6
6. A5
7. A4
8. A3
9. A2
10. A1
11. A0
12. /OE (Output Enable)
13. /WE (Write Enable)
14. VCC (Power Supply)
15. GND (Ground)
16. DQ0
17. DQ1
18. DQ2
19. DQ3
20. DQ4
21. DQ5
22. DQ6
23. DQ7
24. NC (No Connection)
25. /CE (Chip Enable)
26. /RP (Reset/Program)
27. /WP (Write Protect)
28. /ACC (Access Time Control)
29. /BYTE (Byte/Word Organization)
30. VPP (Programming Voltage)
31. NC (No Connection)
32. NC (No Connection)

Functional Features

• Byte/Word Organization: The AT28HC64BF-12JU can be configured to operate in either byte or word mode, providing flexibility in data access.
• Output Enable (/OE) Control: The output enable pin allows the device to be enabled or disabled, controlling the data output.
• Write Enable (/WE) Control: The write enable pin enables or disables the write operation, preventing accidental data modification.
• Reset/Program (/RP) Pin: This pin is used for resetting the device or initiating the programming operation.
• Write Protect (/WP) Pin: The write protect pin provides protection against unauthorized write operations.
• Access Time Control (/ACC) Pin: This pin controls the access time of the device, allowing for optimization based on system requirements.

Advantages and Disadvantages

Advantages

• Non-volatile memory ensures data retention even during power loss.
• High storage capacity suitable for various applications.
• Fast access time allows for quick data retrieval.
• Low power consumption extends battery life in portable devices.

Disadvantages

• Limited endurance of 100,000 write cycles.
• Requires external programming voltage (VPP) for certain operations.

Working Principles

The AT28HC64BF-12JU utilizes EEPROM technology to store and retrieve data. It consists of a grid of memory cells that can be electrically programmed and erased. The stored data is retained even when power is removed, making it non-volatile. The device operates by applying appropriate control signals to the pins, enabling read or write operations.

Detailed Application Field Plans

The AT28HC64BF-12JU finds applications in various electronic devices, including but not limited to: - Microcontrollers - Embedded systems - Industrial automation equipment - Automotive electronics - Consumer electronics

Detailed and Complete Alternative Models

1. AT28C64B-15PU: Similar specifications with a different package (DIP).
2. AT28HC256-90SU: Higher capacity (256 kilobits) with faster access time (90 nanoseconds).
3. AT28HC16B-70SU: Lower capacity (16 kilobits) with